MCQ Microbiology (Bacteria and Gram Staining) with answer key Part- 10

 

Microbiology MCQ (Quiz-10)  

Bacteria and Gram Staining

Multiple choice questions with answer key

S. Y. B. PHARM Sem - III  (UNIT - 2)  

AS PER PCI SYLLABUS

1. Toxic products in phagolysosome are

  A) Superoxide radicals  
B) Sulphuric acid
C) Singlet O2
D) All of these

... Answer is : B) Sulphuric acid

2. The coating of a bacterium with antibody or complement that leads to enhanced phagocytosis of the bacterium by phagocytes is called

A) Aggulation
B) CFT
C) Opsonisation
D) None of these

... Answer is : C) Opsonisation

3. Infection that results in pus formation are called

A) Acute infection
B) Focal infection
C) Chronic infection
D) Pyogenic infection

... Answer is : D) Pyogenic infection

4. Presence of viruses in the blood stream is known as

A) Pyemia
B) Viraemia
C) Bacteraemia
D) Septicaemia

... Answer is : B) Viraemia

5. β -haemolytic bacteria is

A) Streptococcus faecalis
B) Streptococcus viridans
C) Streptococcus pneumoniae
D) Streptococcus pyogenes

... Answer is : D) Streptococcus pyogenes

6. Main cause for Cholera is .

A) Toxin produced by pesticides
B) Poverty and insanitation
C) Mosquitoes
D) None of these

... Answer is : B) Poverty and insanitation

7. Cholera vaccine gives protection for

A) 9-12 months months
B) 6 – 9 months
C) 3 – 6 months
D) 1 – 3 months

... Answer is : C) 3 – 6 months

8. Sh. dysenteriae is also known as

A) Sh. para dysenteriae
B) Sh. shiga
C) Sh. schmitzi
D) Both B and C

... Answer is : D) Both B and C

9. Mycobacteria are stained with

A) Ziehl – Neelsen’s staining
B) Gram’s staining
C) Simple staining
D) Both B and C

... Answer is : A) Ziehl – Neelsen’s staining

10. Lepromin test

A) Indicates infection
B) Indicated delayed hypersensitivity test
C) Positive in lepromatous type
D) Is negative in tubercular leprosy

... Answer is : B) Indicated delayed hypersensitivity test

11. During destruction of antigen particle in phagolysosome the product formed in phagolysosome the product formed during formulation is

A) Lactic acid
B) Citric acid
C) Acetic acid
D) None of these

... Answer is : A) Lactic acid

12. Attenuation means

A) Killing of the bacteria (microorganism)
B) More activating the bacteria
C) Both A and B
D) Inactivation of bacteria

... Answer is : D) Inactivation of bacteria

13. Presence of viable bacteria in the blood stream is called

A) Septicaemia
B) Bacteraemia
C) Viraemia
D) Bactericidal

... Answer is : B) Bacteraemia

14. Opsonin is the

A) Serum component
B) Cellwall component
C) Cytoplasm component
D) Plasma component

... Answer is : A) Serum component

15. The natural reservoir of infection for cholera is

A) Flies
B) Man
C) Horse
D) None of these

... Answer is : B) Man

16. Vibrio cholera differs from vibrio eltor by

A) Causes less subclinical infections as compared to eltor
B) It shares some Inaba, Ogawa subtypes with eltor
C) Eltor is non-motile
D) Resistant to polymuxin

... Answer is : A) Causes less subclinical infections as compared to eltor

17. Prophylaxis of cholera is

A) Environmental sanitation
B) Immunisation with killed vaccines
C) Protected water supply
D) All of these

... Answer is : D) All of these

18. Acid fast bacteria are

A) Staphylococci
B) Neisseria
C) Mycobacteria
D) All of the above

... Answer is : C) Mycobacteria

19. Niacin test is positive in case of

A) M. bovis
B) M. avium
C) M. tuberculosis
D) Corynebacterium

... Answer is : C) M. tuberculosis

20. Streptococcus forms causes which type of infections?

A) Pyogenic
B) Fever
C) Zoonotic
D) None of these

... Answer is : D) None of these